package com.tanhua.api.mongo;

import com.tanhua.domain.mongo.RecommendUser;

import com.tanhua.domain.mongo.Visitors;
import com.tanhua.domain.vo.PageBeanVo;
import org.apache.dubbo.config.annotation.Service;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Sort;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;

import java.util.List;


@Service
public class RecommendUserApiImpl implements RecommendUserApi {
    @Autowired
     private MongoTemplate mongoTemplate;
    @Override
    public RecommendUser findMaxScore(Long toUserId) {
        //查询缘分分值最高的用户啊
        Query query= Query.query(Criteria.where("toUserId").is(toUserId)).with(Sort.by(Sort.Order.desc("score")))
                                    .skip(0).limit(1);

        return mongoTemplate.findOne(query,RecommendUser.class);
    }

    @Override
    public PageBeanVo findByPage(Integer pageNum, Integer pageSize, Long toUserId) {
        //计算起始索引
        Integer index =(pageNum -1) * pageSize +1;   // 排除第一条
        Query query =Query.query(Criteria.where("toUserId").is(toUserId)).with(Sort.by(Sort.Order.desc("score"))).skip(index).limit(pageSize);
        List<RecommendUser> recommendUserList =mongoTemplate.find(query,RecommendUser.class);
        // 总记录数
        Long counts =mongoTemplate.count(query,RecommendUser.class);
        return new PageBeanVo(pageNum,pageSize,counts,recommendUserList);
    }

    @Override
    public Long findbestUserScore(Long bestUserId, Long toUserId) {
        Query query = Query.query(
                Criteria.where("userId").is(bestUserId)
                        .and("toUserId").is(toUserId)
        );
        RecommendUser recommendUser = mongoTemplate.findOne(query, RecommendUser.class);

        if (recommendUser == null) {
            return 60L;
        } else {
            return recommendUser.getScore().longValue();
        }


    }

}
